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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-17884] Can&apos;t drop a database in sharded environment</title>
                <link>https://jira.mongodb.org/browse/SERVER-17884</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;We have production DB - 9 shards x 3 hosts in each. &lt;br/&gt;
I tried to drop a database that we don&apos;t need anymore. After the db.dropDatabase() command I&apos;m still seeing the database in show dbs command output with no collections in it. Also the database files were removed only from few DB hosts but not from all of them.&lt;/p&gt;
</description>
                <environment>EC2 hosts. Ubuntu </environment>
        <key id="193841">SERVER-17884</key>
            <summary>Can&apos;t drop a database in sharded environment</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="3">Duplicate</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="vladimir.poluyaktov">Vladimir Poluyaktov</reporter>
                        <labels>
                    </labels>
                <created>Fri, 3 Apr 2015 00:43:50 +0000</created>
                <updated>Fri, 3 Apr 2015 17:18:01 +0000</updated>
                            <resolved>Fri, 3 Apr 2015 17:18:01 +0000</resolved>
                                    <version>2.6.8</version>
                                                    <component>Sharding</component>
                    <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="872411" author="ramon.fernandez" created="Fri, 3 Apr 2015 17:11:01 +0000"  >&lt;p&gt;Thanks for your report &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=vladimir.poluyaktov&quot; class=&quot;user-hover&quot; rel=&quot;vladimir.poluyaktov&quot;&gt;vladimir.poluyaktov&lt;/a&gt;; this looks like a duplicate of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-17397&quot; title=&quot;Dropping a Database or Collection in a Sharded Cluster may not fully succeed&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-17397&quot;&gt;&lt;del&gt;SERVER-17397&lt;/del&gt;&lt;/a&gt;, which is open to fix this scenario. Please tune into &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-17397&quot; title=&quot;Dropping a Database or Collection in a Sharded Cluster may not fully succeed&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-17397&quot;&gt;&lt;del&gt;SERVER-17397&lt;/del&gt;&lt;/a&gt; for updates, where I&apos;ll be posting more information shortly.&lt;/p&gt;

&lt;p&gt;Thanks,&lt;br/&gt;
Ram&#243;n.&lt;/p&gt;</comment>
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            <issuekey id="186484">SERVER-17397</issuekey>
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                        <customfieldname>Steps To Reproduce</customfieldname>
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                            <customfieldvalue>&lt;p&gt;ubuntu@ReportingService-use1b-01:~$ mongo&lt;br/&gt;
MongoDB shell version: 2.6.8&lt;br/&gt;
connecting to: test&lt;/p&gt;

&lt;p&gt;mongos&amp;gt; show dbs&lt;br/&gt;
admin                    (empty)&lt;br/&gt;
config                   0.234GB&lt;br/&gt;
...&lt;br/&gt;
reportsCore            367.407GB&lt;br/&gt;
reportsGeo              15.946GB&lt;br/&gt;
reportsOps             193.492GB&lt;br/&gt;
reportsRaw             309.711GB&lt;br/&gt;
reportsSites          2200.512GB&lt;br/&gt;
test                     0.203GB&lt;br/&gt;
...&lt;/p&gt;

&lt;p&gt;mongos&amp;gt; use reportsRaw&lt;br/&gt;
switched to db reportsRaw&lt;/p&gt;

&lt;p&gt;mongos&amp;gt; db.dropDatabase()&lt;/p&gt;
{ &quot;dropped&quot; : &quot;reportsRaw&quot;, &quot;ok&quot; : 1 }

&lt;p&gt;mongos&amp;gt; show dbs&lt;br/&gt;
admin                    (empty)&lt;br/&gt;
config                   0.234GB&lt;br/&gt;
...&lt;br/&gt;
reportsCore            367.407GB&lt;br/&gt;
reportsGeo              15.946GB&lt;br/&gt;
reportsOps             193.492GB&lt;br/&gt;
reportsRaw             309.711GB&lt;br/&gt;
reportsSites          2200.512GB&lt;br/&gt;
test                     0.203GB&lt;br/&gt;
...&lt;/p&gt;

&lt;p&gt;mongos&amp;gt; use reportsRaw&lt;br/&gt;
switched to db reportsRaw&lt;/p&gt;

&lt;p&gt;mongos&amp;gt; show collections&lt;br/&gt;
mongos&amp;gt;&lt;/p&gt;

&lt;p&gt;The 1st shard PRIMARY host file system (reportsRaw files disappeared):&lt;/p&gt;

&lt;p&gt;ubuntu@ReportingDB-use1b-01:~$ ls -l /data/mongo/SH01/reportsRaw*&lt;br/&gt;
ls: cannot access /data/mongo/SH01/reportsRaw*: No such file or directory&lt;br/&gt;
ubuntu@ReportingDB-use1b-01:~$&lt;/p&gt;



&lt;p&gt;The 4th shard PRIMARY host file system (reportsRaw files are still here):&lt;/p&gt;

&lt;p&gt;ubuntu@ReportingDB-use1b-04:~$ ls -l /data/mongo/SH04/reportsRaw*&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb   67108864 Jul 16  2014 /data/mongo/SH04/reportsRaw.0&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb  134217728 Jul 16  2014 /data/mongo/SH04/reportsRaw.1&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.10&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.11&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.12&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.13&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.14&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.15&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.16&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.17&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.18&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.19&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb  268435456 Jul 16  2014 /data/mongo/SH04/reportsRaw.2&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.20&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.21&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.22&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.23&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.24&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.25&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.26&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.27&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.28&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.29&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb  536870912 Jul 16  2014 /data/mongo/SH04/reportsRaw.3&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.30&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.31&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.32&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.33&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.34&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.35&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.36&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.37&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.38&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.39&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 1073741824 Jul 16  2014 /data/mongo/SH04/reportsRaw.4&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.40&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.41&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.42&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.43&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.44&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.5&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.6&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.7&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.8&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb 2146435072 Jul 16  2014 /data/mongo/SH04/reportsRaw.9&lt;br/&gt;
&lt;del&gt;rw&lt;/del&gt;------ 1 mongodb mongodb   16777216 Jul 16  2014 /data/mongo/SH04/reportsRaw.ns&lt;br/&gt;
ubuntu@ReportingDB-use1b-04:~$&lt;/p&gt;</customfieldvalue>

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